 | Emerald Blue Creeping Phlox. Magnificently eye-popping! The Emerald Blue Creeping Phlox (Phlox subulata "Emerald Blue') is an ideal ground cover with dark blue flowers and a thick mat of semi-evergreen foliage. Emerald Blue may also be called Creeping Phlox or Moss Phlox. Blooming from April to May, it is a great addition to any perennial garden. The attractive lavender-blue blooms fit in with any and every color in your garden making it stand out amongst the crowd. Most of that crowd will be hungry early emerging pollinators... - Emerald Blue Creeping Phlox. |